[patch] IPsec is in GENERIC

This tweaks ipsec.xml to point out that IPsec is enabled on some platforms.

diff --git a/docs/network/ipsec/index.xml b/docs/network/ipsec/index.xml
index 4967916..9325cfb 100644
--- a/docs/network/ipsec/index.xml
+++ b/docs/network/ipsec/index.xml
@@ -31,8 +31,10 @@
       peers communicate using IPsec.
       IPsec is available for both IPv6 and IPv4.</para>

-    <para>Note that, however, kernel re-configuration is necessary to
use IPsec.
-      It is not turned on for default GENERIC kernel.</para>
+    <para>IPsec has been built into the i386 and amd64 GENERIC
+    kernels since NetBSD 7.  For other ports (architectures), a
+    kernel re-configuration may be necessary before using
+    IPsec.</para>

     <para>Userland code includes IPsec support where possible, by default,
       so no rebuild of userland is necessary even if you switch between kernel